Home / 35,449.39-48,919.75-20,135.84

Finding the Fourth Proportional to 35,449.39, 48,919.75 and 20,135.84

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Solution

The fourth proportional to 35,449.39, 48,919.75 and 20,135.84 is: 27,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.39 : 48,919.75 = 20,135.84 : x
  2. Step 2: Convert to fraction form
    35,449.39/48,919.75 = 20,135.84/x
  3. Step 3: Cross multiply
    35,449.39x = 48,919.75 × 20,135.84
  4. Step 4: Simplify right side
    35,449.39x = 985,040,258.84
  5. Step 5: Solve for x
    x = 985,040,258.84/35,449.39
  6. Step 6: Final answer
    x = 27,787.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.